During the culling of elephants (Loxodonta africana) at five sites in the Kruger National Park, South Africa, a total
of 682 Culicoides of five species of the subgenus Avaritia were found live either behind the ears of ...

Two immunoperoxidase techniques, viz. avidin-biotin complex (ABC) and peroxidase-anti-peroxidase (PAP)
procedures, were applied to paraffin-wax-embedded brain-tissue sections, from brains which had been fixed
in 10% ...

The bioequivalence of the diminazene formulation Veriben (Centaur) was determined in cattle (n=10) by means of a single-dose, randomized cross-over experiment. The results of nine statistical procedures commonly used for ...

Colostral antibodies to B. besnoiti were detected by immunofluorescence in four calves born to two
Besnoitia-infected dams, with titres ranging from 1:64 to 1:1024. A specific antibody titre of 1:1024 was
found in colostrum ...

The blood-gas status of seven sheep with experimentally induced heartwater during the acute and terminal
stages was investigated. Changes in blood gas included a decline in arterial oxygen tension (pO₂)
combined with a ...

High levels of seropositivity, in all probability attributable to Ehrlichia, were recorded in the serum of
domestic ruminants throughout districts in South Africa where Amblyomma hebraeum, the vector of
the heartwater ...

Approximately 71 of the estimated 145 kilobase pairs of the genome of the South African isolate of lumpy-skin-disease virus, Neethling strain, was cloned into the plasmid vector pBluescribe. Selected clones were used in ...

Analysis of mortality records has revealed distinct patterns in the incidence of anthrax in elephant and
plains ungulates. The seasonal peak among the former is in November at the end of the dry season,
while among the ...

Seven new species of the genus Spinitectus Fourment, 1883, recovered from several species of freshwater
fishes from West and Central Africa, are described. The eighth species, Spinitectus allaeri Campana-Rouget ,
1961 ...

Tsetse-transmitted trypanosomosis remains a major constraint to the development of agriculture, particularly
to that of livestock production in sub-Saharan Africa.
It is estimated that 10 million km² of Africa are tsetse ...

The viraemic period of African horsesickness is significantly longer in experimentally infected zebra
than in horses. The virus could be isolated 40 d post-infection from blood and 48 d post-infection from
spleen. The ...

Two Trypanosoma vivax stocks were initiated in culture with tsetse or culture-derived metacyclics. They were propagated axenically as bloodstream trypomastigotes at 35°C in 4% C0₂ in air. Populations of trypanosomes were ...

Cloacas of male ostrich chicks that had suffered prolapse of the phallus and cloaca were compared
with cloacas of normal ostrich chicks of both sexes from the same area. Heavy infection of the cloacal
and bursal tissue ...